Hunter x Hunter, Vol. 35: Ship of Fools — Yoshihiro Togashi

On their voyage to the Dark Continent, the Hunters get tangled up in a war of royal succession. The 14 princes of Kakin, protected by Nen-powered Guardian Beasts, must assassinate one another until only a single heir survives. Infiltrating as bodyguards, the Hunters join this deadly game of intrigue. But the most dangerous prince may be the one they least suspect...